TRUMPETCREEPER, Campsis radicans (L.) Seem. 1, root; 2, seed pods; 3, upper part of plant with flowers; 4, lengthwise and crosswise section of seed pod. Perennial, reproducing by seeds and vigorous running roots. Stems smooth, woody, vining, 20 to 40 feet (6 to 12 m) long if undisturbed. In cultivated fields plant can maintain itself and produce stems 2 to 10 feet (0.6 to 3 m) long. Leaves opposite, 8 to 15 inches (20 to 37.5 cm) long, petioled, pinnately compound, with 7 to 11 leaflets. Flowers showy, orange and scarlet, 2-1/2 inches (6.3 cm) long, funnel shaped, in short-stemmed clusters. Seed pod 4 to 6 inches (10 to 15 cm) long, rather cigar-shaped, smooth, ridged at the edges of the two lengthwise halves of the pod. Seeds broadly winged, in several rows on inside of pod. Found in fields, fence rows, yards. Originally cultivated as an ornamental, but has become an aggressive, widely distributed weed.